IMC Chicago Portfolio holdings
IMC-Chicago, a key arm of IMC Trading founded in 1989 by Rob Defares and René Schelvis in Amsterdam, is a proprietary trading firm and market maker headquartered in Chicago since opening its first overseas office there in 2000. Employing over 650 of IMC’s 1,600+ global workforce, it operates at the heart of North America’s financial hub, trading equities, options, futures, and other derivatives on major exchanges like the Chicago Mercantile Exchange (CME) and Chicago Board Options Exchange (CBOE). Known for its technology-driven approach, IMC-Chicago leverages advanced algorithms and low-latency systems to provide liquidity across more than 100 global venues, evolving from a trading outfit with strong tech to a tech company that trades. Under CEO Rob Defares, the firm emphasizes innovation, quantitative strategies, and a collaborative culture, making it a powerhouse in the U.S. derivatives market.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Sprott Physical Silver Trust
PSLV
|
+$344M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$297M |
| 3 |
Tesla
TSLA
|
+$235M |
| 4 |
Sprott Physical Gold and Silver Trust
CEF
|
+$177M |
| 5 |
Meta Platforms (Facebook)
META
|
+$120M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$426M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$390M |
| 3 |
NVIDIA
NVDA
|
+$72.8M |
| 4 |
Broadcom
AVGO
|
+$66.7M |
| 5 |
AST SpaceMobile
ASTS
|
+$62.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.58% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Financials | 0.16% |
| 4 | Communication Services | 0.13% |
| 5 | Industrials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
4476
Vanguard Energy ETF
VDE
$10.1B
| $331K | ﹤0.01% |
+1,911
| New | +$289K |
|
4477
CALL
Kontoor Brands
KTB
$4.62B
| $330K | ﹤0.01% |
+4,700
| New | +$308K |
|
4478
PUT
A2Z Smart Technologies
AZ
$249M
| $330K | ﹤0.01% |
+49,500
| New | +$316K |
|
4479
Magnite
MGNI
$2.65B
| $330K | ﹤0.01% |
27,774
-105,322
| -79% | -$1.41M |
|
4480
PUT
Caleres
CAL
$396M
| $330K | ﹤0.01% |
31,300
-19,800
| -39% | -$236K |
|
4481
Harmony Biosciences
HRMY
$2.04B
| $330K | ﹤0.01% |
+11,765
| New | +$386K |
|
4482
Globus Medical
GMED
$10.4B
| $329K | ﹤0.01% |
3,820
-25,216
| -87% | -$2.26M |
|
4483
Pinnacle Financial Partners Inc
PNFP
$15.5B
| $329K | ﹤0.01% |
+3,820
| New | +$355K |
|
4484
CALL
BRC Inc
BRCC
$126M
| $329K | ﹤0.01% |
+423,500
| New | +$357K |
|
4485
PUT
iQIYI
IQ
$1.18B
| $329K | ﹤0.01% |
243,400
-521,800
| -68% | -$900K |
|
4486
ProShares Ultra Bloomberg Natural Gas
BOIL
$417M
| $329K | ﹤0.01% |
10,191
-11,573
| -53% | -$462K |
|
4487
Cracker Barrel
CBRL
$1.2B
| $328K | ﹤0.01% |
+11,683
| New | +$356K |
|
4488
JetBlue
JBLU
$1.96B
| $328K | ﹤0.01% |
74,294
-360,546
| -83% | -$1.83M |
|
4489
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.35B
| $328K | ﹤0.01% |
10,058
-9,925
| -50% | -$333K |
|
4490
CALL
Grupo Cibest SA
CIB
$20.4B
| $328K | ﹤0.01% |
+4,500
| New | +$331K |
|
4491
Invesco S&P 500 Top 50 ETF
XLG
$10.5B
| $327K | ﹤0.01% |
+6,001
| New | +$345K |
|
4492
CALL
Telus
TU
$16B
| $327K | ﹤0.01% |
+25,500
| New | +$345K |
|
4493
GSI Technology
GSIT
$216M
| $327K | ﹤0.01% |
63,638
-2,834
| -4% | -$20.6K |
|
4494
PUT
Chefs' Warehouse
CHEF
$3.87B
| $327K | ﹤0.01% |
+5,500
| New | +$352K |
|
4495
Indivior Pharmaceuticals
INDV
$4.79B
| $327K | ﹤0.01% |
10,723
-9,229
| -46% | -$305K |
|
4496
Matsons
MATX
$6.37B
| $327K | ﹤0.01% |
+1,993
| New | +$310K |
|
4497
CALL
The Greenbrier Companies
GBX
$1.61B
| $326K | ﹤0.01% |
+6,200
| New | +$328K |
|
4498
PUT
Federal Agricultural Mortgage Class A
AGM.A
$1.61B
| $326K | ﹤0.01% |
+2,200
| New | +$280K |
|
4499
CALL
Tenaris
TS
$29.1B
| $326K | ﹤0.01% |
+5,600
| New | +$276K |
|
4500
Direxion Daily Mid Cap Bull 3X ETF
MIDU
$73.7M
| $325K | ﹤0.01% |
+6,262
| New | +$362K |
|
Similar funds
IMC Chicago's Q1 2026 Portfolio in Review
As of Q1 2026, IMC Chicago held 6,062 positions worth $278B, up 1.1% from $275B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $22.2B of net new capital in Q1 2026, opening 2,049 new positions and adding to 1,848 existing holdings. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
By sector, the portfolio is most concentrated in Technology at 0.58% of assets, up from 0.56% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Broadcom, an estimated $66.7M trimmed.
- IMC Chicago's largest Q1 2026 buy was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
- IMC Chicago added most to Sprott Physical Silver Trust in Q1 2026, an estimated $344M increase.
- IMC Chicago's biggest Q1 2026 reduction was Broadcom, cutting an estimated $66.7M.
- IMC Chicago fully exited Invesco QQQ Trust in Q1 2026, selling an estimated $426M.
- IMC Chicago's ten largest holdings make up 38% of its $278B portfolio in Q1 2026.
- IMC Chicago opened 2,049 new positions and closed 389 in Q1 2026.
- IMC Chicago's portfolio value rose 1.1% quarter-over-quarter to $278B.
Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.